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An associative entity is a term used in relational and entity–relationship theory. A relational database requires the implementation of a base relation (or base table) to resolve many-to-many relationships. A base relation representing this kind of entity is called, informally, an associative table. An associative entity (using Chen notation)
Rather, they show entity sets (all entities of the same entity type) and relationship sets (all relationships of the same relationship type). For example, a particular song is an entity, the collection of all songs in a database is an entity set, the eaten relationship between a child and his lunch is a single relationship, and the set of all ...
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If a binary operation is associative, repeated application of the operation produces the same result regardless of how valid pairs of parentheses are inserted in the expression. [2] This is called the generalized associative law. The number of possible bracketings is just the Catalan number, , for n operations on n+1 values.
In visual associative learning, the efficiency of the participant/subject in making these connections actually will decrease as the “memory load” increases. [4] The more items/the higher the complexity that one has to keep in their memory leads to poorer performance on paired associative learning tasks.
In the context of game AI programming, a fuzzy associative matrix helps to develop the rules for non-player characters. [2] Suppose a professional is tasked with writing fuzzy logic rules for a video game monster. In the game being built, entities have two variables: hit points (HP) and firepower (FP):
For example, in Japanese, the suffix "-san" when added to a proper name denotes respect, sometimes indicating that the speaker is subordinate to the listener; while the suffix "-chan" denotes that the speaker thinks the listener is a child or childlike (either for purposes of affection or derision).
The enhanced entity–relationship (EER) model (or extended entity–relationship model) in computer science is a high-level or conceptual data model incorporating extensions to the original entity–relationship (ER) model, used in the design of databases.